Seth clover



(No Model'.)

4 s. CLOVER.

SUCKER ROD ELEVATOR.

Patented Jan. 6, 18,91.

I VENTOR. //;%&M

TMTNESSEi- W Qavmq l TEES :04, mow-um UNITED STATES PATENT OFFICE.

SETH CLOVER, OF ERIE, PENNSYLVANIA, ASSIGNOR OF ONE-HALF TO TOBIASMEYERHOEFER, OF SAME PLACE.

SUCKER-ROD ELEVATOR.

SPECIFICATION forming part of Letters Iatent No. 444,332, dated January6, 1891.

Application filed September 6, 1890. Serial No. 364,143. (No model.)

To all whom it may concern: thrown out at an angle to the stock, as seenin Be it known that I, SETH CLOVER, a citizen Fig. 2; but when the clipis drawn below the of the United States,'residing at Erie, in thepivotcthe retaining-bar is firmly held withthe county of Erie and Stateof Pennsylvania, lower end thereof above the space between have inventedcertain new and useful Imthe jaws of the clamp, so as to safely retainprovements in Sucker-Rod Elevators; and I the sucker-rod head in place.When the eledo hereby declare the following to be a full, vator isdrawing out a sucker-rod, it is always clear, and exact description ofthe invention, in a verticalposition, and the clip D is sure such aswill enable others skilled in the art to maintain the position shown inFig. 1. [O to which it appertains to make and use the \Vhen theelevatoris tobe disengaged from same. the sucker-rod, the slide D is pulled up,and This invention relates to sucker-rod elevathis swings the bar O awayfrom the jaws of tors; and it consists in certain improvements the clampand permits the rod E to escape in the construction thereof, as will behereinfrom the clamp.

i 5 after fully set forth, and pointed out in the I am aware thatelevators of this type have claims. been made with a fixed retaining baror finger The invention is illustrated in the accomand with avertically-sliding retaining bar or panying drawings, as follows:finger, and also with a latch or dog which is Figure l is a perspectiveview showing the pivoted, as in Patent No. 263,820; but none of 20elevator engaged with a sucker-rod. Fig. 2 is these prior constructionsembrace my invenan elevation view, on a reduced scale, showtion. ing theelevator in position to engage with a What I claim as new issucker-rod.Y 1. In a sucker-rod elevator, the combina- A is the stock or stem ofthe elevator-frame, tion, with the stock or frame-piece A A and 25 and Ais the fork or yoke at the lower end of the clamp B, of the bentretaining-bar O, pivthe stock. B is the clamp, which is journaled otedto the stock A at c, and a clip embracin the yoke A so it can be turnedfrom the ing both the stock and bar and sliding freely position in Fig.l to that shown in Fig. 2 thereon over said pivot, whereby as the clipthat is, from a horizontal to a vertical posiis moved past the pivot thebar is swung o tion-and a is a lug on the side of the yoke thereon,substantially as and forthe purposes 8:

A which prevents the clamp B from turning set forth. clear over, orbeyond the two positions shown. 2. In a sucker-rod elevator, thecombina- \Vhen the clamp is in the position shown in tion, with thestock or frame-piece A A and Fig. 1,it strikes against the under side ofthe the pivot-clamp B, of the lug a on the part A 3 5 lug a, and when inthe position shown in Fig. near the pivot of the clamp, as shown,where-2 it strikes against the side of the lug, so that by the clamp isprevented from turning bethe clamp, in fact, can move only a quarteryonda horizontal position in one direction turn on its trunnions. and avertical positionin the other direction.

C is a retaining-bar, which holds the head 3. In a sucker-rod elevator,the combina- 0 of the sucker-rod in thejaws of the clamp, as tion, withthe stock or frame A A, the pivotclearly seen in Fig. 1. This bar ispivoted to ed clamp B, and a shifting retaining-bar, of the stock at c,and it is bent outwardly upa lug on the said frame, which limits thepivward from that point and is formed with a otal action of said clamp.head 0' at the upper end. In testimony whereof I affix my signature in 45 D is a clipwhich 1Cembiaces 20th the dSHiCk A presence of twowitnesses. and the retainingar an is mae oose, 1 so as to slide freelyon those parts. When bETH CLOVER the clip is moved up past the pivot c,the 11p- Witnesses: per end of the bar 0 is drawn in, so as to lie J NO.K. HALLOOK,

50 parallel with the stock, and the lower end T. MEYERHOEFER.

